Clarity Application Latency related to cache
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Clarity Application Latency related to cache

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Article ID: 391895

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Updated On:

Products

Clarity PPM On Premise Clarity PPM SaaS

Issue/Introduction

You notice a very slow application out of a sudden with the below symptoms on performance :

  • 502 bad gateway error
  • Landing page is taking over 1 mins to load.
  • Can't load timesheets
  • Resource taking more than a min to load
  • Pages are taking more than a min to load
  • User has to refresh 4 times before loading the landing page

In app ca logs we can see thousands of different cache errors  Failed to build cache for resource  including NullPointerException, IndexOutOfBoundsException

 

ERROR 2025-03-20 07:42:08,432 [http-nio-8082-exec-7] odf.object (clarity:xxxxxxxxx:147440095__A709B2E1-C531-4ED9-8EB6-25E2CDB30D42:PPM_REST_API) (471cb3ab-9c12-423a-9d85-8a28668a8cb6) Failed to build cache for resource columns
java.lang.IndexOutOfBoundsException: Index 3 out of bounds for length 3
    at java.base/jdk.internal.util.Preconditions.outOfBounds(Preconditions.java:64)
    at java.base/jdk.internal.util.Preconditions.outOfBoundsCheckIndex(Preconditions.java:70)
    at java.base/jdk.internal.util.Preconditions.checkIndex(Preconditions.java:266)
    at java.base/java.util.Objects.checkIndex(Objects.java:361)
    at java.base/java.util.ArrayList.get(ArrayList.java:427)


ERROR 2025-03-20 07:26:40,074 [http-nio-8082-exec-307] odf.object (clarity:xxxxxxx:147438106__2C78697E-5D4B-4F6F-A94F-E53EF96747ED:PPM_REST_API) (b0441c8a-b7ee-4df7-95f5-db02e72f0552) Failed to build cache for resource tpTimesheet
java.lang.NullPointerExceptionERROR 2025-03-20 07:26:40,151 [http-nio-8082-exec-307] odf.object (clarity:xxxxxx:147438106__2C78697E-5D4B-4F6F-A94F-E53EF96747ED:PPM_REST_API) (b0441c8a-b7ee-4df7-95f5-db02e72f0552) Failed to build cache for resource prstatus


ERROR 2025-03-20 06:38:55,072 [http-nio-8082-exec-284] odf.object (clarity:xxxxxx:147433126__322922AD-D384-4C59-8341-40135B5C7512:PPM_REST_API) (b680e5e3-0726-4c7b-bc1b-620942ef5754) Failed to build cache for resource tpcounts
java.lang.NullPointerException: Cannot invoke "com.niku.union.odf.object.schema.RelatedObject.getConfiguration()" because "ro" is null
    at com.niku.union.odf.ObjectController.getRelatedObjects(ObjectController.java:1367)
    at com.niku.odf.object.ODFAbstractObjectImpl.getRelatedObjects(ODFAbstractObjectImpl.java:5894)
    at com.ca.ppm.rest.cache.APIResourceCache$LookupResourceCache.loadLookupsMetaData(APIResourceCache.java:929)
    at com.ca.ppm.rest.cache.APIResourceCache$LookupResourceCache.getLookupResourceInfo(APIResourceCache.java:894)
    at com.ca.ppm.rest.cache.APIResourceCache$LookupResourceCache.getFromPersistence(APIResourceCache.java:869)
    at com.niku.union.utility.caching.LazyCache.get(LazyCache.java:75)
    at com.ca.ppm.rest.cache.APIResourceCache.get(APIResourceCache.java:245)
    at com.ca.ppm.rest.cache.APIResourceCache.get(APIResourceCache.java:193)
    at com.ca.ppm.rest.util.APIUtil.getResourceMetaData(APIUtil.java:184)
    at com.ca.ppm.rest.response.JSONResponseBuilder.processChildResources(JSONRespon

Environment

Clarity 16.2.3

Cause

DE168123

Resolution

  • Fixed in Clarity 16.3.0
  • Fixed in Clarity 16.2.3 Patch 5 (16.2.3.5)

Workaround:

  • Restart services

Also possible way to avoid this:

  • Schedule a recurrent services restart
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